#menu a {
      background-repeat: no-repeat;
      background-position: -200px -25px;
    }
    #menu a.selected {
      background-position: -400px -25px;
    }
    #menu a:hover {
      background-position: 0px -25px;
    }
    #menu a.selected:hover {
      background-position: -400px -25px;
    }